[  779.576898][T14560] netdevsim netdevsim496 eni496np1: renamed from eth0
[  779.595953][T14562] netdevsim netdevsim737 eni737np1: renamed from eth1
[  780.170900][T14548] Could not find device with ifindex 2000 in netnsfd 11
[  780.177935][T14548] Could not find netns with fd: 2000
[  780.178331][T14548] Cannot link a netdevsim to itself
[  780.178750][T14548] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).